diff options
Diffstat (limited to 'configure.ac')
| -rw-r--r-- | configure.ac | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/configure.ac b/configure.ac index efcd3c0b..b9435477 100644 --- a/configure.ac +++ b/configure.ac @@ -204,6 +204,18 @@ fi AC_SUBST([dso_LDFLAGS]) +AC_CACHE_CHECK([for rpath support], ac_cv_rpath, [dnl +save_LDFLAGS="$LDFLAGS" +LDFLAGS="$save_LDFLAGS -Wl,--enable-new-dtags,-rpath,/foo/bar" +AC_LINK_IFELSE([AC_LANG_PROGRAM()], ac_cv_rpath=yes, ac_cv_rpath=no) +LDFLAGS="$save_LDFLAGS" +]) +if test "$ac_cv_rpath" = "no"; then + AC_MSG_WARN([rpath is not supported. libdw will not automatically + find the ebl backends.]) +fi +AM_CONDITIONAL(RPATH, test "$ac_cv_rpath" = "yes") + AC_CACHE_CHECK([for __thread support], ac_cv_tls, [dnl # Use the same flags that we use for our DSOs, so the test is representative. # Some old compiler/linker/libc combinations fail some ways and not others. |